NFL Hall-of-Famer Terrell Davis: 'I can do more and I should be doing more'

"A lot of us, we 'make it out' as they say, and we don't give back. We don't give back to our experience or try to help others do the same," former Denver Broncos running back and NFL Hall-of-Famer Terrell Davis tells CNBC Make It. But Davis says now is the time to change that.